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How many pay periods are in a year?
Twenty-six, usually. Twenty-seven, occasionally. Here is the rule that decides which, and what it does to your pay when it happens.
The short answer
If you are paid every two weeks, almost every year holds 26 pay dates. Every so often one holds 27, and that year feels different in a way people notice on the payslip long before they work out why.
Paid twice a month rather than every two weeks? That is always 24, every year, no exceptions. The two arrangements sound alike and are not the same thing.
Why a 27th happens at all
Twenty-six pay dates, two weeks apart, cover 364 days. A year is 365, or 366 in a leap year. So every year leaves a day or two spare, and those spare days accumulate until eventually a whole extra pay date falls inside one calendar year.
That is the entire explanation. There is no rule about it and nobody chose it — it is what happens when you divide an odd number of days by an even number of weeks.
How to tell which you are in
A year holds 27 pay dates if its first pay date falls on 1 January — or 1 or 2 January in a leap year. Otherwise it holds 26.
Look at your first pay date of the year and you have your answer. Nothing else about your schedule matters: not your rotation, not your hours, not how much overtime you worked.
What a 27-pay year actually means
It depends entirely on how your employer works out your salary, and there are two common approaches that produce opposite results.
Where pay is a fixed amount per pay date, a 27th date means one extra payment that year. Where an annual salary is divided across the year's pay dates, each of the 27 is slightly smaller and the total is the same.
Which one applies to you is set by your employer and your collective agreement, and it is worth knowing before the year starts rather than after. Payroll can tell you in one question. This page cannot.
Year by year
| Year | Length | Pay dates | When it is 27 |
|---|---|---|---|
| 2026 | 365 days | 26 — or 27 | if your first pay date is 1 January or earlier |
| 2027 | 365 days | 26 — or 27 | if your first pay date is 1 January or earlier |
| 2028 | Leap year | 26 — or 27 | if your first pay date is 2 January or earlier |
| 2029 | 365 days | 26 — or 27 | if your first pay date is 1 January or earlier |
Checked 3 August 2026. Every figure here is calendar arithmetic, worked out from the dates themselves. It does not expire — but the years listed do, and more get added as they come round.
Nothing to do with your rotation
Worth saying plainly, because the two get muddled: your pay cycle and your shift cycle are separate things that happen to both run in weeks. A fortnightly pay date has nothing to do with whether you are on Panama or Pitman, and neither one moves the other.
What they have in common is that both are knowable in advance and both are easier to see on a calendar than in your head.
The year, already written down
Save your rotation once and every shift is on the calendar as far ahead as you want to look.
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